[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.

Post Reply 
Thread Rating:
  • 0 Votes - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Wrong time with dhcp_time and DST auto - T21P E2
Author Message
deactavo Offline
Junior Member

Posts: 1
Joined: Aug 2016
Reputation: 0
Post: #1
Wrong time with dhcp_time and DST auto - T21P E2
I am working on auto-provisioning some T21P E2 phones and having trouble with DST and DHCP time.

When DHCP time is enabled, the automatic DST offset is not working. When I disable DHCP time, the DST offset it applied.

I've configured the general provision file to retrieve timezone information from DHCP option 2, this will allow phones in different time zones to get their timezone from their local DHCP server. But I also need the phones to realize if DST is in effect or not.

Here is the entry in the general config file - y000000000052.cfg:
local_time.dhcp_time = 1
local_time.summer_time = 2

My DHCP server has these options:
Option 2 = -18000 seconds (Time Offset)
Option 42 = 10.x.x.x (my local NTP server)

I could update the DHCP option 2, but then I would have to manually change it each time DST changes. This is unreasonable due to the number of locations and time it would take to update all DHCP servers.

Another option is to hardcode the timezone for each extension, but I was hoping to avoid this and have the phones get their timezone from the DHCP server. The phone extensions can move, but the DHCP servers will not.
08-17-2016 05:31 AM
Find all posts by this user    like0    dislike0 Quote this message in a reply
Post Reply 

Messages In This Thread
Wrong time with dhcp_time and DST auto - T21P E2 - deactavo - 08-17-2016 05:31 AM

Possibly Related Threads...
Thread: Author Replies: Views: Last Post
  T21P E2 attended transfer caller id name in history gralech 2 1,354 09-11-2019 05:20 AM
Last Post: Leonard9
  Auto provisioning seams to be (partly) broken in version 83 for T46G HaraldL 2 2,581 07-02-2019 03:04 PM
Last Post: Fraukas2
  Can't Call Forward Yealink T21P e2 - latest firmware Grace6641 1 1,105 06-18-2019 09:53 AM
Last Post: Walter_Yealink
Lightbulb Auto provision firmware ... Yuriy Y. 1 1,655 04-26-2019 05:40 AM
Last Post: Yuriy Y.
  T22P always auto restart jamess2007 2 1,713 03-13-2019 11:49 AM
Last Post: Langveldt
  Firewall Settings for Auto Provisioning ChristophWHAT 2 2,669 02-04-2019 12:47 PM
Last Post: ChristophWHAT
  Auto Provisioning Hangs Rus 1 1,838 10-17-2018 11:06 AM
Last Post: Rus
  Auto provisioning file names shane.caznet 1 2,305 10-12-2018 02:56 PM
Last Post: jolouis
  Auto-Provision Firmware Rus 0 1,490 08-24-2018 11:07 AM
Last Post: Rus
  Auto Provision - first time with encrypting.. Gilb 14 20,130 06-21-2018 10:05 AM
Last Post: wanna

Forum Jump:

User(s) browsing this thread: 1 Guest(s)

Contact Us   Yealink   Return to Top   Return to Content   Lite (Archive) Mode   RSS Syndication